<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            clearable
            @clear="getCoodsList"
            v-model="queryInfo.query"
            placeholder="请输入内容"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getCoodsList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加按钮</el-button>
        </el-col>
      </el-row>

      <!-- table 表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          width="95px"
          label="商品价格(元)"
          prop="goods_price"
        ></el-table-column>
        <el-table-column
          width="70px"
          label="商品重量"
          prop="goods_weight"
        ></el-table-column>
        <el-table-column width="140px" label="创建时间" prop="add_time">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column width="130px" label="操作">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-edit"
            ></el-button>
            <el-button
              size="mini"
              type="primary"
              icon="el-icon-delete"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[3, 5, 10, 15]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总条数
      total: 0
    }
  },
  created() {
    this.getCoodsList()
  },
  mounted() {},
  methods: {
    // 根据分页获取对应的商品列表
    async getCoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        this.$message.error('获取商品列表失败!')
      }
      this.$message.success('获取商品列表成功!')
      //   console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    // 页面发生改变
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      // 重新获取数据
      this.getCoodsList()
    },
    // 页面值
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      // 重新获取数据
      this.getCoodsList()
    },
    // 删除功能
    async removeById(id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该商品, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除!')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)

      if (res.meta.status !== 200) {
        return this.$message.error('删除失败!')
      }
      this.$message.success('删除成功!')
      // 重新渲染
      this.getCoodsList()
    },
    // 添加
    goAddpage() {
        this.$router.push('/good/add')
    }
  }
}
</script>

<style scoped lang="less"></style>
